まずは冒頭の写経から。

If you're a Java programme, if you care about concurrency, or if you enjoy working in low-ceremony language such as
Ruby or Python, Programming Clojure is for you. Clojure is a general-purpose language with direct support for Java,
a modern Lisp dialect, and support in both the language and data stuctures for functional programming. Programming
Clojure shows you how to write applications that have the beauty and elegance of a good scripting language, the power
and reach of the JVM, and a modern, concurrency-safe functional style.
Now you can write beautiful code that runs fast and scales well.

http://pragprog.com/book/shcloj/programming-clojure

それぞれコードを書き写して試して行こうと思います。

使う本は

プログラミングClojureプログラミングClojure
Stuart Halloway 川合史朗

オーム社 2010-01-26
売り上げランキング : 279619

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